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Series: 250R
250R Series - 250V POLYFUSE® Lead-Free Radial Leaded Resettable PPTC for Telecom Protection
The 250R series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically found in telecom applications (250Vrms). The series can be used to help telecom networking equipment meet the protection requirements specified in ITU K.20 and K.21.

Features
  • RoHS compliant and lead-free
  • Fast time-to-trip
  • Binned and sorted narrow resistance ranges available
  • 0.08 – 0.18 Hold current range, 60VDC operating voltage
  • 250VAC interrupt rating


Electrical Characteristics

Access specifications, certifications, check availability and order parts below:

Check distributor stock availability by clicking on the [CHECK] link. View certification PDF files by clicking on the certification logo. View the part details by clicking on the part number. To order sample parts, click on the [ADD] link. Click on the 'Key' button to view definitions for each column header. Sort parts by clicking on the column you wish to sort by.


CatalogNo Certs. IHold (A) ITRIP
(A)
Max Volts
(V)
IMAX
(A)
PDMAX
(W)
RIL
(Ω)
RTYP
(Ω)
R1max
(Ω)
Stock Sample
Cart
250R080 0.08 0.16 250 3 1 14 22 33 [Check] [Add]
250R080T 0.08 0.16 250 3 1 15 22 33 [Check] [Add]
250R120 0.12 0.24 250 3 1 4 8 16 [Check] [Add]
250R120-R1 0.12 0.24 250 3 1 6 9 16 [Check] [Add]
250R120-R2 0.12 0.24 250 3 1 8 10.5 16 [Check] [Add]
250R120-R3 0.12 0.24 250 3 1 8 10 16 [Check] [Add]
250R120-RA 0.12 0.24 250 3 1 7 9 16 [Check] [Add]
250R120-RC 0.12 0.24 250 3 1 5.4 7.5 14 [Check] [Add]
250R120-RF 0.12 0.24 250 3 1 6 10.5 16 [Check] [Add]
250R120T 0.12 0.24 250 3 1 7 12 16 [Check] [Add]
250R145 0.145 0.29 250 3 1 3 6 14 [Check] [Add]
250R145-RA 0.145 0.29 250 3 1 3 5.5 12 [Check] [Add]
250R145-RB 0.145 0.29 250 3 1 4.5 6 14 [Check] [Add]
250R145T 0.145 0.29 250 3 1 5.4 7.5 14 [Check] [Add]
250R180 0.18 0.65 250 10 1.8 0.8 2.2 4 [Check] [Add]
250R180T 0.18 0.65 250 10 1.8 1.4 3.9 4.5 [Check] [Add]